Finding the Fourth Proportional to 953,437.30, 1,430,151.63 and 322,786.42
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Solution
The fourth proportional to 953,437.30, 1,430,151.63 and 322,786.42 is: 484,178.17
Step by Step Solution
- Step 1: Write the proportion equation
953,437.30 : 1,430,151.63 = 322,786.42 : x - Step 2: Convert to fraction form
953,437.30/1,430,151.63 = 322,786.42/x - Step 3: Cross multiply
953,437.30x = 1,430,151.63 × 322,786.42 - Step 4: Simplify right side
953,437.30x = 461,633,524,704.87 - Step 5: Solve for x
x = 461,633,524,704.87/953,437.30 - Step 6: Final answer
x = 484,178.17
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.